B is P percent of what
Formula for calculating number A when P percent of it is B
For the derivation of this equation using the method of solving problems with percentage
Examples of solving problems: find number A when P percent of it is B
Example 1.40 is 5% of what?
Example 2.270 women working in the plant. This is 30% of all workers. How many people work at the plant?
Answer: 900 people work at the plant.
Example 3.How much you need to put on deposit at 10% per annum to a year to make a profit of 1000$.
Answer: deposit must be 10,000$.
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